Actor who is perhaps most famous for his role as Charlie in the action comedy Kingsman: The Secret Service (2014) and its sequel, Kingsman: The Golden Circle (2017). He is also known for playing Dr. Simon Jordan on the historical drama Alias Grace.
He originally aspired to become a professional musician but fell in love with acting after appearing in a play at Oxford Brookes University. He graduated from Central Saint Martins' Drama Centre in 2012.
He is an accomplished stage actor, having appeared with Mark Rylance in a production of Jerusalem at the Royal Court Theatre.
His father is politician Patrick Holcroft.
He was cast alongside Colin Firth in the Kingsman films.
